November 16, 2023 Afternoon Update
Arctic blasts on the way to end November on a colder note
November 2023 was the 22nd-warmest November in the 131-year national record (1895–2025), at 44.2°F against a 1991–2020 normal of 43.0°F (+1.3°F).
November 2023 was the 12th-driest November in the 131-year national record (1895–2025), at 1.4in against a 1991–2020 normal of 2.3in (-0.9in).
NOAA/NCEI Climate at a Glance, contiguous United States. This is the observed record for the month, not a score of anything said in this piece — the forecast ledger begins 2026-08-17 and cannot reach earlier posts.
One more update on Google’s Deep Mind GraphCast A.I. weather model. [Google published a paper on their global weather modeling system called GraphCast that uses A.I. to train on historical data (ERA5) and forecast the future.]
I stretched out the forecast verification to 10-days for both the HRES deterministic and EPS ensemble mean matched up against GraphCast.
The rest of this piece is for paid subscribers of Weather Trader. The Post keeps the archive, the index and the record; the writing itself stays behind the same subscription it was published under.
Read the full piece →- Milepost
- 143 · laid 2023-11-16T23:42:17.028000Z
- Source
- https://weather.substack.com/p/november-16-2023-afternoon-update
- Digest
- 799a577a9b18493f75cc155cba5f79a47c707042daa4a47707f469af25e8e1cf
- Machine
- JSON